/*
|
*
|
* (C) COPYRIGHT 2014-2015 ARM Limited. All rights reserved.
|
*
|
* This program is free software and is provided to you under the terms of the
|
* GNU General Public License version 2 as published by the Free Software
|
* Foundation, and any use by you of this program is subject to the terms
|
* of such GNU licence.
|
*
|
* A copy of the licence is included with the program, and can also be obtained
|
* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
* Boston, MA 02110-1301, USA.
|
*
|
*/
|
|
|
|
#ifndef _KBASE_BACKEND_TIME_H_
|
#define _KBASE_BACKEND_TIME_H_
|
|
/**
|
* kbase_backend_get_gpu_time() - Get current GPU time
|
* @kbdev: Device pointer
|
* @cycle_counter: Pointer to u64 to store cycle counter in
|
* @system_time: Pointer to u64 to store system time in
|
* @ts: Pointer to struct timespec64 to store current monotonic
|
* time in
|
*/
|
void kbase_backend_get_gpu_time(struct kbase_device *kbdev, u64 *cycle_counter,
|
u64 *system_time, struct timespec64 *ts);
|
|
/**
|
* kbase_wait_write_flush() - Wait for GPU write flush
|
* @kctx: Context pointer
|
*
|
* Wait 1000 GPU clock cycles. This delay is known to give the GPU time to flush
|
* its write buffer.
|
*
|
* If GPU resets occur then the counters are reset to zero, the delay may not be
|
* as expected.
|
*
|
* This function is only in use for BASE_HW_ISSUE_6367
|
*/
|
#ifdef CONFIG_MALI_NO_MALI
|
static inline void kbase_wait_write_flush(struct kbase_context *kctx)
|
{
|
}
|
#else
|
void kbase_wait_write_flush(struct kbase_context *kctx);
|
#endif
|
|
#endif /* _KBASE_BACKEND_TIME_H_ */
|
